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Glass Erlenmeyer Flask (1000 ml)
Glass Erlenmeyer Flask (1000 ml)
 
Many brewers will state that making a yeast starter is essential for proper pitching rates and reducing lag time when fermentation begins (which may greatly minimize the chances of bacterial infection in your batch). Plus, using starters will supply more yeast than your standard vial or package. If you want to put a stopper on your 1L flask, the right size to use is #8.

Our 1000 ml (1L) Erlenmeyer Flask is the ideal vessel to make a yeast starters for 5 gallon batches! This flask is made from borosilicate glass, which means it can be moved from a boil on your gas stove to a cold water bath for cooling, without the risk of cracking. (We do not recommend the use of an electric element. If this cannot be avoided, we recommend using a larger pot as a hot water bath on the stove.) With flasks, your yeast starter process can be completed all in one container. This not only keeps things simple, but the fewer the containers, the less risk for contamination.

Recommended Use of Flask:
The "Double Boiler" Method. This involves using a boiling water bath on the outside of the flask to heat up the water/wort on the inside. All that is required is a kettle 3 gallons or larger. This is a safer and more efficient process. If the flask should ever break or boil-over, your kettle will be there to collect the contents while keeping your stove clean, and keeping you away from potential harm. This method keeps the heat distribution even throughout the flask. Direct heat, non-even heat distribution, to the glass can break down its integrity over time.
Price: $9.49

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Glass Erlenmeyer Flask (1000 ml)

Why make a yeast starter?

Yeast starters ensures healthy yeast. By creating a yeast starter 1-3 days in advance of your brew day, you ensure that your yeast is healthy and strong enough to do its job. Secondly, the starter creates more yeast. This increase of the cell count will give you a better chance of keeping bacteria's and wild yeasts from fermenting in your wort. If you are planning to brew a high gravity beer (1.060+) you will need more yeast to start the fermentation faster. High gravity beers will also have a better chance of completing fermentation with ample quantities of yeast (less chance of stalling out).

  • 9" Height
  • 5 1/4" Base Diameter
  • 1 3/8" Inside Neck Diameter
  • To be used with a #8 stopper
A great flask for making yeast starters!
(In the lab world, these flasks are known as "Student Grade". Student grade is not the highest grade flask and will have minor defects).

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